# SagittalMeter Lite vs Back and Spinal cord

The clearest difference is review sentiment: SagittalMeter Lite at 100% against Back and Spinal cord's 0%. SagittalMeter Lite also leads on rating (5.0 vs 1.0) and in-app purchases (none vs 9). Back and Spinal cord's advantage is iOS requirement (9.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Back and Spinal cord sells 9 one-off in-app purchases. SagittalMeter Lite asks for nothing beyond the download.

SagittalMeter Lite holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 100% of SagittalMeter Lite's written reviews are positive against 0% of Back and Spinal cord's.

SagittalMeter Lite ships an update every 11 months, Back and Spinal cord every 8 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | SagittalMeter Lite | Back and Spinal cord |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sagittalmeter-lite/id963720300/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/back-and-spinal-cord/id965077138/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 8 months** |
| Monetization | Free | Free |
| Size | 32 MB | 62 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Jean-Charles LE HUEC](https://appshunter.io/developer/1880028964) | [Focus Medica](https://appshunter.io/developer/508294531) |

## What reviewers say

### SagittalMeter Lite

[App page](https://appshunter.io/ios/app/sagittalmeter-lite/id963720300)

This application assists medical practitioners in measuring crucial sagittal balance parameters directly from sagittal X-rays. It helps analyze spine problems and pre-operative planning by calculating pelvic incidence, pelvic tilt, and sacral slope.

**Highlights:** Measure sagittal balance parameters, Directly use phone on X-rays, Calculate Pelvic Incidence (PI), Calculate Pelvic Tilt (PT), Calculate Sacral Slope (SS), Aid in spine problem analysis

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Back and Spinal cord

[App page](https://appshunter.io/ios/app/back-and-spinal-cord/id965077138)

Explore the anatomy of the back and spinal cord with this comprehensive digital atlas. It features 3D animations, interactive images, and detailed descriptions to help you understand anatomical positions, clinical manifestations, and applied aspects.

**Highlights:** Comprehensive anatomical plates, 3D animated reference tool, Interactive images with labels, Clinical manifestations of conditions, Detailed descriptions, Surface features and dermatomes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Back - Surface Anatomy | $2.99 | one-time |
| Vertebral column: Overview | $2.99 | one-time |
| Anatomy - Regional vertebra | $2.99 | one-time |
| Anatomy - Spinal: Meninges | $2.99 | one-time |
| Anatomy - Spinal cord | $2.99 | one-time |
| Anatomy -Spinal cord: Internal | $2.99 | one-time |
| Anatomy - Spinal nerves | $2.99 | one-time |
| Digital Anatomy Back Muscles | $2.99 | one-time |
| Back and Spinal cord - Buy All | $12.99 | one-time |


## Frequently asked questions

### Is SagittalMeter Lite free?

SagittalMeter Lite is free to download, with no in-app purchases.

### Is Back and Spinal cord free?

Back and Spinal cord is free to download, with in-app purchases available.

### Which has better reviews, SagittalMeter Lite or Back and Spinal cord?

SagittalMeter Lite is rated higher. SagittalMeter Lite averages 5.0 out of 5 from 1 ratings, while Back and Spinal cord averages 1.0 from 2 ratings.

### Do SagittalMeter Lite or Back and Spinal cord have ads?

Neither SagittalMeter Lite nor Back and Spinal cord shows ads.

### Which is updated more often, SagittalMeter Lite or Back and Spinal cord?

SagittalMeter Lite ships an update every 11 months, and Back and Spinal cord every 8 months. Most recently, SagittalMeter Lite was updated on October 24, 2026 and Back and Spinal cord on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*